--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3693716324 dns-udp-queries-received-ipv6: 424255896 dns-tcp-queries-received-ipv4: 176887483 dns-tcp-queries-received-ipv6: 7142856 dns-udp-responses-sent-ipv4: 3687020348 dns-udp-responses-sent-ipv6: 424252773 dns-tcp-responses-sent-ipv4: 176880025 dns-tcp-responses-sent-ipv6: 7255437